Technical drawing 1  : metal trades 
Directorate of Manpower and Training Government of The Punjab Lahore 
 - Lahore:  Directorate of Manpower & Training,  n.d. 
 - n.p 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing
<br/><br/><label>Dewey Class. No.: </label>604.2  / TEC